title: Tracheal mast cell tumor in a dog.
mesh_terms: D000818:Animals; D004283:Dog Diseases / Q000473:pathology* / Q000628:therapy; D004285:Dogs; D008297:Male; D012515:Mast-Cell Sarcoma / Q000473:pathology / Q000628:therapy / Q000648:ultrastructure / Q000662:veterinary*; D014134:Tracheal Neoplasms / Q000473:pathology / Q000628:therapy / Q000648:ultrastructure / Q000662:veterinary*